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(WN) Southwest Airlines 440 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
93%
Late
0
0%
Very Late
0
0%
Excessive
2
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
59.166666666666664
Standard Deviation
89.7
Min
0
Max
187

WN 440 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 93%
Average Delay Time 59.166666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 58% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 59.166666666666664 min
This flight has an average delay of 59.166666666666664 minutes with a standard deviation of 89.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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